Docker - Node

.dockerignore

node_modules

docker-compose.yml

version: "3"

services:
  app:
    build: .
    command: yarn serve
    ports: 
      - "3003:3000"
    volumes: 
      - .:/usr/app

Dockerfile

FROM node:lts-alpine

WORKDIR /usr/app

COPY yarn.lock package.json ./
RUN yarn install

COPY . .

EXPOSE 3000
CMD ["yarn", "serve"]